6 Gross rental income and service charge income

The Fund leases its property investments in the form of non-cancellable operating leases. The nature of the theoretical rent has an indefinite duration because there are no fixed contract periods.

Service charge income represents € 4.0 million (2014: € 4.0 million) income receivable from tenants for the services of utilities, caretakers, etc. when the Fund acts as principal.